/* SWFObject v2.0 beta6
Copyright (c) 2007 Geoff Stearns, Michael Williams, and Bobby van der Sluis
This software is released under the MIT License
*/
var swfobject = function() {
var domLoadFnArr = [];
var regObjArr = [];
var timer = null;
var storedAltContent = null;
var isDomLoaded = false;
var isExpressInstallActive = false;
/* Centralized function for browser feature detection
- Proprietary feature detection (conditional compiling) is used to detect Internet Explorer's features
- User agent string detection is only used when no alternative is possible
- Is executed directly for optimal performance
*/
var ua = function() {
var w3cdom = typeof document.getElementById != "undefined" && typeof document.getElementsByTagName != "undefined" && typeof document.createElement != "undefined" && typeof document.appendChild != "undefined" && typeof document.replaceChild != "undefined" && typeof document.removeChild != "undefined" && typeof document.cloneNode != "undefined";
var playerVersion = [0,0,0];
var d = null;
if (typeof navigator.plugins != "undefined" && typeof navigator.plugins["Shockwave Flash"] == "object") {
d = navigator.plugins["Shockwave Flash"].description;
if (d) {
d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
}
}
else if (typeof window.ActiveXObject != "undefined") {
var a = null;
var fp6Crash = false;
try {
a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
}
catch(e) {
try {
a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
playerVersion = [6,0,21];
a.AllowScriptAccess = "always"; // Introduced in fp6.0.47
}
catch(e) {
if (playerVersion[0] == 6) {
fp6Crash = true;
}
}
if (!fp6Crash) {
try {
a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
}
catch(e) {}
}
}
if (!fp6Crash && typeof a == "object") { // When ActiveX is disbled in IE, then "typeof a" returns "object", however it is "null" in reality, so something like "typeof a.GetVariable" will crash the script
try {
d = a.GetVariable("$version"); // Will crash fp6.0.21/23/29
if (d) {
d = d.split(" ")[1].split(",");
playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
}
}
catch(e) {}
}
}
var u = navigator.userAgent.toLowerCase();
var p = navigator.platform.toLowerCase();
var webkit = /webkit/.test(u);
var webkitVersion = webkit ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : 0;
var ie = false;
var win = p ? /win/.test(p) : /win/.test(u);
var mac = p ? /mac/.test(p) : /mac/.test(u);
/*@cc_on
ie = true;
@if (@_win32)
win = true;
@elif (@_mac)
mac = true;
@end
@*/
return { w3cdom:w3cdom, playerVersion:playerVersion, webkit:webkit, webkitVersion:webkitVersion, ie:ie, win:win, mac:mac };
}();
/* Cross-browser onDomLoad
- Based on Dean Edwards' solution: http://dean.edwards.name/weblog/2006/06/again/
- Will fire an event as soon as the DOM of a page is loaded (supported by Gecko based browsers - like Firefox -, IE, Opera9+, Safari)
*/
var onDomLoad = function() {
if (!ua.w3cdom) {
return;
}
addDomLoadEvent(main);
if (ua.ie && ua.win) {
try { // Avoid a possible Operation Aborted error
document.write("");
var s = document.getElementById("__ie_ondomload");
if (s) {
s.onreadystatechange = function() {
if (this.readyState == "complete") {
this.parentNode.removeChild(this);
callDomLoadFunctions();
}
};
}
}
catch(e) {}
}
if (ua.webkit && typeof document.readyState != "undefined") {
timer = setInterval(function() { if (/loaded|complete/.test(document.readyState)) { callDomLoadFunctions(); }}, 10);
}
if (typeof document.addEventListener != "undefined") {
document.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);
}
addLoadEvent(callDomLoadFunctions);
}();
function callDomLoadFunctions() {
if (isDomLoaded) {
return;
}
if (ua.ie && ua.win) { // Test if we can really add elements to the DOM; we don't want to fire it too early
var s = document.createElement("span");
try { // Avoid a possible Operation Aborted error
var t = document.getElementsByTagName("body")[0].appendChild(s);
t.parentNode.removeChild(t);
}
catch (e) {
return;
}
}
isDomLoaded = true;
if (timer) {
clearInterval(timer);
timer = null;
}
var dl = domLoadFnArr.length;
for (var i = 0; i < dl; i++) {
domLoadFnArr[i]();
}
}
function addDomLoadEvent(fn) {
domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
}
/* Cross-browser onload
- Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
- Will fire an event as soon as a web page including all of its assets are loaded
*/
function addLoadEvent(fn) {
if (typeof window.addEventListener != "undefined") {
window.addEventListener("load", fn, false);
}
else if (typeof document.addEventListener != "undefined") {
document.addEventListener("load", fn, false);
}
else if (typeof window.attachEvent != "undefined") {
window.attachEvent("onload", fn);
}
else if (typeof window.onload == "function") {
var fnOld = window.onload;
window.onload = function() {
fnOld();
fn();
};
}
else {
window.onload = fn;
}
}
/* Main function
- Will preferably execute onDomLoad, otherwise onload (as a fallback)
*/
function main() { // Static publishing only
var rl = regObjArr.length;
for (var i = 0; i < rl; i++) { // For each registered object element
var id = regObjArr[i].id;
if (ua.playerVersion[0] > 0) { // If no fp is installed, we let the object element do its job (show alternative content)
var obj = document.getElementById(id);
if (obj) {
if (hasPlayerVersion(regObjArr[i].swfVersion)) { // Flash plug-in version >= Flash content version: Houston, we have a match!
if (ua.webkit && ua.webkitVersion < 312) { // Older webkit engines ignore the object elementŐs nested param elements
fixParams(obj);
}
}
else if (regObjArr[i].expressInstall && !isExpressInstallActive && hasPlayerVersion([6,0,65]) && (ua.win || ua.mac)) { // Show the Adobe Express Install dialog if set by the web page author and if supported (fp6.0.65+ on Win/Mac OS only)
showExpressInstall(regObjArr[i]);
}
else { // Flash plug-in and Flash content version mismatch: display alternative content instead of Flash content
displayAltContent(obj);
}
}
}
createCSS("#" + id, "visibility:visible");
}
}
/* Fix nested param elements, which are ignored by older webkit engines
- This includes Safari up to and including version 1.2.2 on Mac OS 10.3
- Fall back to the proprietary embed element
*/
function fixParams(obj) {
var nestedObj = obj.getElementsByTagName("object")[0];
if (nestedObj) {
var e = document.createElement("embed");
var a = nestedObj.attributes;
if (a) {
var al = a.length;
for (var i = 0; i < al; i++) {
if (a[i].nodeName.toLowerCase() == "data") {
e.setAttribute("src", a[i].nodeValue);
}
else {
e.setAttribute(a[i].nodeName, a[i].nodeValue);
}
}
}
var c = nestedObj.childNodes;
if (c) {
var cl = c.length;
for (var j = 0; j < cl; j++) {
if (c[j].nodeType == 1 && c[j].nodeName.toLowerCase() == "param") {
e.setAttribute(c[j].getAttribute("name"), c[j].getAttribute("value"));
}
}
}
obj.parentNode.replaceChild(e, obj);
}
}
/* Fix hanging audio/video threads
- Occurs when unloading a web page in IE using fp8+ and innerHTML/outerHTML
- Dynamic publishing only
*/
function fixObjectLeaks() {
if (ua.ie && ua.win && hasPlayerVersion([8,0,0])) {
window.attachEvent("onunload", function () {
var o = document.getElementsByTagName("object");
if (o) {
var ol = o.length;
for (var i = 0; i < ol; i++) {
o[i].style.display = "none";
for (var x in o[i]) {
if (typeof o[i][x] == "function") {
o[i][x] = function() {};
}
}
}
}
});
}
}
/* Show the Adobe Express Install dialog
- Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
*/
function showExpressInstall(regObj) {
isExpressInstallActive = true;
var obj = document.getElementById(regObj.id);
if (obj) {
if (regObj.altContentId) {
var ac = document.getElementById(regObj.altContentId);
if (ac) {
storedAltContent = ac;
}
}
else {
storedAltContent = abstractAltContent(obj);
}
var w = regObj.width ? regObj.width : (obj.getAttribute("width") ? obj.getAttribute("width") : 0);
if (parseInt(w, 10) < 310) {
w = "310";
}
var h = regObj.height ? regObj.height : (obj.getAttribute("height") ? obj.getAttribute("height") : 0);
if (parseInt(h, 10) < 137) {
h = "137";
}
var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn";
document.title = document.title.slice(0, 47) + " - Flash Player Installation";
var dt = document.title;
var fv = "MMredirectURL=" + window.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt;
var el = obj;
// For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
// In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
if (ua.ie && ua.win && obj.readyState != 4) {
el = document.createElement("div");
obj.parentNode.insertBefore(el, obj); // Insert placeholder div that will be replaced by the object element that loads expressinstall.swf
obj.style.display = "none";
window.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });
}
createSWF({ data:regObj.expressInstall, id:"SWFObjectExprInst", width:w, height:h }, { flashvars:fv }, el);
}
}
/* Functions to abstract and display alternative content
*/
function displayAltContent(obj) {
if (ua.ie && ua.win && obj.readyState != 4) {
// For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
// In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
var el = document.createElement("div");
obj.parentNode.insertBefore(el, obj); // Insert placeholder div that will be replaced by the alternative content
el.parentNode.replaceChild(abstractAltContent(obj), el);
obj.style.display = "none";
window.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });
}
else {
obj.parentNode.replaceChild(abstractAltContent(obj), obj);
}
}
function abstractAltContent(obj) {
var ac = document.createElement("div");
if (ua.win && ua.ie) {
ac.innerHTML = obj.innerHTML;
}
else {
var nestedObj = obj.getElementsByTagName("object")[0];
if (nestedObj) {
var c = nestedObj.childNodes;
if (c) {
var cl = c.length;
for (var i = 0; i < cl; i++) {
if (!(c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param") && !(c[i].nodeType == 8)) {
ac.appendChild(c[i].cloneNode(true));
}
}
}
}
}
return ac;
}
/* Cross-browser dynamic SWF creation
*/
function createSWF(attObj, parObj, el) {
if (ua.ie && ua.win) { // IE, the object element and W3C DOM methods do not combine: fall back to outerHTML
var att = "";
for (var i in attObj) {
if (typeof attObj[i] == "string") { // Filter out prototype additions from other potential libraries, like Object.prototype.toJSONString = function() {}
if (i == "data") {
parObj.movie = attObj[i];
}
else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
att += ' class="' + attObj[i] + '"';
}
else if (i != "classid") {
att += ' ' + i + '="' + attObj[i] + '"';
}
}
}
var par = "";
for (var j in parObj) {
if (typeof parObj[j] == "string") { // Filter out prototype additions from other potential libraries
par += '';
}
}
el.outerHTML = '';
fixObjectLeaks(); // This bug affects dynamic publishing only
}
else if (ua.webkit && ua.webkitVersion < 312) { // Older webkit engines ignore the object elementŐs nested param elements: fall back to the proprietary embed method
var e = document.createElement("embed");
e.setAttribute("type", "application/x-shockwave-flash");
for (var k in attObj) {
if (typeof attObj[k] == "string") { // Filter out prototype additions from other potential libraries
if (k == "data") {
e.setAttribute("src", attObj[k]);
}
else if (k.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
e.setAttribute("class", attObj[k]);
}
else if (k != "classid") { // Filter out IE specific attribute
e.setAttribute(k, attObj[k]);
}
}
}
for (var l in parObj) {
if (typeof parObj[l] == "string") { // Filter out prototype additions from other potential libraries
if (l != "movie") { // Filter out IE specific param element
e.setAttribute(l, parObj[l]);
}
}
}
el.parentNode.replaceChild(e, el);
}
else { // Well-behaving browsers
var o = document.createElement("object");
o.setAttribute("type", "application/x-shockwave-flash");
for (var m in attObj) {
if (typeof attObj[m] == "string") { // Filter out prototype additions from other potential libraries
if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
o.setAttribute("class", attObj[m]);
}
else if (m != "classid") { // Filter out IE specific attribute
o.setAttribute(m, attObj[m]);
}
}
}
for (var n in parObj) {
if (typeof parObj[n] == "string" && n != "movie") { // Filter out prototype additions from other potential libraries and IE specific param element
createObjParam(o, n, parObj[n]);
}
}
el.parentNode.replaceChild(o, el);
}
}
function createObjParam(el, pName, pValue) {
var p = document.createElement("param");
p.setAttribute("name", pName);
p.setAttribute("value", pValue);
el.appendChild(p);
}
function hasPlayerVersion(rv) {
return (ua.playerVersion[0] > rv[0] || (ua.playerVersion[0] == rv[0] && ua.playerVersion[1] > rv[1]) || (ua.playerVersion[0] == rv[0] && ua.playerVersion[1] == rv[1] && ua.playerVersion[2] >= rv[2])) ? true : false;
}
/* Cross-browser dynamic CSS creation
- Based on Bobby van der Sluis' solution: http://www.bobbyvandersluis.com/articles/dynamicCSS.php
*/
function createCSS(sel, decl) {
if (ua.ie && ua.mac) {
return;
}
var h = document.getElementsByTagName("head")[0];
var s = document.createElement("style");
s.setAttribute("type", "text/css");
s.setAttribute("media", "screen");
if (!(ua.ie && ua.win) && typeof document.createTextNode != "undefined") {
s.appendChild(document.createTextNode(sel + " {" + decl + "}"));
}
h.appendChild(s);
if (ua.ie && ua.win && typeof document.styleSheets != "undefined" && document.styleSheets.length > 0) {
var ls = document.styleSheets[document.styleSheets.length - 1];
if (typeof ls.addRule == "object") {
ls.addRule(sel, decl);
}
}
}
return {
/* Public API
- Reference: http://code.google.com/p/swfobject/wiki/SWFObject_2_0_documentation
*/
registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr) {
if (!ua.w3cdom || !objectIdStr || !swfVersionStr) {
return;
}
var regObj = {};
regObj.id = objectIdStr;
var v = swfVersionStr.split(".");
regObj.swfVersion = [parseInt(v[0], 10), parseInt(v[1], 10), parseInt(v[2], 10)];
regObj.expressInstall = xiSwfUrlStr ? xiSwfUrlStr : false;
regObjArr[regObjArr.length] = regObj;
createCSS("#" + objectIdStr, "visibility:hidden");
},
getObjectById: function(objectIdStr) {
var r = null;
if (ua.w3cdom && isDomLoaded) {
var o = document.getElementById(objectIdStr);
if (o) {
var n = o.getElementsByTagName("object")[0];
if (!n || (n && typeof o.SetVariable != "undefined")) {
r = o;
}
else if (typeof n.SetVariable != "undefined") {
r = n;
}
}
}
return r;
},
embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj) {
if (!ua.w3cdom || !swfUrlStr || !replaceElemIdStr || !widthStr || !heightStr || !swfVersionStr) {
return;
}
if (hasPlayerVersion(swfVersionStr.split("."))) {
createCSS("#" + replaceElemIdStr, "visibility:hidden");
var att = (typeof attObj == "object") ? attObj : {};
att.data = swfUrlStr;
att.width = widthStr;
att.height = heightStr;
var par = (typeof parObj == "object") ? parObj : {};
if (typeof flashvarsObj == "object") {
for (var i in flashvarsObj) {
if (typeof flashvarsObj[i] == "string") { // Filter out prototype additions from other potential libraries
if (typeof par.flashvars != "undefined") {
par.flashvars += "&" + i + "=" + flashvarsObj[i];
}
else {
par.flashvars = i + "=" + flashvarsObj[i];
}
}
}
}
addDomLoadEvent(function() {
createSWF(att, par, document.getElementById(replaceElemIdStr));
createCSS("#" + replaceElemIdStr, "visibility:visible");
});
}
else if (xiSwfUrlStr && !isExpressInstallActive && hasPlayerVersion([6,0,65]) && (ua.win || ua.mac)) {
createCSS("#" + replaceElemIdStr, "visibility:hidden");
addDomLoadEvent(function() {
var regObj = {};
regObj.id = regObj.altContentId = replaceElemIdStr;
regObj.width = widthStr;
regObj.height = heightStr;
regObj.expressInstall = xiSwfUrlStr;
showExpressInstall(regObj);
createCSS("#" + replaceElemIdStr, "visibility:visible");
});
}
},
getFlashPlayerVersion: function() {
return { major:ua.playerVersion[0], minor:ua.playerVersion[1], release:ua.playerVersion[2] };
},
hasFlashPlayerVersion: function(versionStr) {
return hasPlayerVersion(versionStr.split("."));
},
createSWF: function(attObj, parObj, el) {
if (ua.w3cdom && isDomLoaded) {
createSWF(attObj, parObj, el);
}
},
createCSS: function(sel, decl) {
if (ua.w3cdom) {
createCSS(sel, decl);
}
},
addDomLoadEvent:addDomLoadEvent,
addLoadEvent:addLoadEvent,
getQueryParamValue: function(param) {
var q = document.location.search || document.location.hash;
if (param == null) {
return q;
}
if(q) {
var pairs = q.substring(1).split("&");
for (var i = 0; i < pairs.length; i++) {
if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
return pairs[i].substring((pairs[i].indexOf("=") + 1));
}
}
}
return "";
},
// For internal usage only
expressInstallCallback: function() {
if (isExpressInstallActive && storedAltContent) {
var obj = document.getElementById("SWFObjectExprInst");
if (obj) {
obj.parentNode.replaceChild(storedAltContent, obj);
storedAltContent = null;
isExpressInstallActive = false;
}
}
}
};
}();